1. Providing protective supervision; watching over or safeguarding
   - custodial, tutelary

See also: protective

• horizontal
• horizontal bar
• horizontal combination
• horizontal integration
• horizontal parallax
• horizontal section
• horizontal stabiliser
• horizontal stabilizer
• horizontal surface
• horizontal tail
• horizontality
• horizontally
• hormesis
• hormogonium
• hormonal
• hormone
• hormone-replacement therapy
• horn
• horn button
• horn fly
• horn in
• Horn of Africa
• horn of plenty
• horn poppy
• horn-rimmed